mcompass

CMakeLists.txt

@@ -5,3 +5,4 @@ project(
 
 add_subdirectory(mbiff)
 add_subdirectory(mauplay)
+add_subdirectory(mcompass)

mauplay/CMakeLists.txt

@@ -5,17 +5,10 @@ setup_project(mauplay ${CMAKE_INSTALL_BINDIR})
 pkg_config_add(mauplay sqlite3)
 pkg_config_add(mauplay samplerate)
 pkg_config_add(mauplay inih)
+math_add(mauplay)
 
 target_link_libraries(
 	mauplay
 	PRIVATE
 	MDEAudio MDESound
 )
-
-if(NOT CMAKE_SYSTEM_NAME STREQUAL "Windows")
-	target_link_libraries(
-		mauplay
-		PRIVATE
-		m
-	)
-endif()

mcompass/CMakeLists.txt

@@ -0,0 +1,6 @@
+include(MDEBase)
+include(MDEOpenGL)
+setup_project(mcompass ${CMAKE_INSTALL_BINDIR})
+
+opengl_add(mcompass)
+math_add(mcompass)

mcompass/main.c

@@ -0,0 +1,156 @@
+#include "mcompass.h"
+
+#include <Mw/Widget/OpenGL.h>
+
+MwWidget window, opengl;
+int ww, wh;
+
+static void resize(MwWidget handle, void* user, void* client){
+	ww = MwGetInteger(window, MwNwidth);
+	wh = MwGetInteger(window, MwNheight);
+
+	MwVaApply(opengl,
+		MwNwidth, ww,
+		MwNheight, wh,
+	NULL);
+
+	glViewport(0, 0, ww, wh);
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	glOrtho(-1, 1, -1, 1, -1, 1);
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+}
+
+static void tick(MwWidget handle, void* user, void* client){
+	int i;
+	double rad;
+	int cx, cy;
+	MwPoint p;
+
+	cx = MwGetInteger(window, MwNx) + ww / 2;
+	cy = MwGetInteger(window, MwNy) + wh / 2;
+	MwGetCursorCoord(window, &p);
+
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	glColor3f(0, 0, 0);
+	for(i = 0; i < 360; i += 10){
+		rad = i / 180.0 * M_PI;
+
+		glBegin(GL_LINES);
+			glVertex2f(cos(rad), sin(rad));
+			glVertex2f(cos(rad)*0.9, sin(rad)*0.9);
+		glEnd();
+	}
+	glBegin(GL_LINES);
+		glVertex2f(-0.6, 0);
+		glVertex2f(0.6, 0);
+		glVertex2f(0, -0.6);
+		glVertex2f(0, 0.6);
+	glEnd();
+	glBegin(GL_LINE_STRIP);
+	for(i = 0; i <= 360; i += 10){
+		rad = i / 180.0 * M_PI;
+		glVertex2f(cos(rad)*0.2, sin(rad)*0.2);
+	}
+	glEnd();
+
+	/* memo: size is 0.2x0.2 */
+
+	glLineWidth(2);
+
+	glColor3f(1, 0, 0);
+	glBegin(GL_LINE_STRIP); /* N */
+		glVertex2f(-0.1, 0.65);
+		glVertex2f(-0.1, 0.85);
+		glVertex2f(0.1, 0.65);
+		glVertex2f(0.1, 0.85);
+	glEnd();
+
+	glColor3f(0, 0, 0);
+	glBegin(GL_LINE_STRIP); /* W */
+		glVertex2f(-0.85, -0.1);
+		glVertex2f(-0.65, -0.05);
+		glVertex2f(-0.85, 0);
+		glVertex2f(-0.65, 0.05);
+		glVertex2f(-0.85, 0.1);
+	glEnd();
+
+	glBegin(GL_LINE_STRIP); /* S */
+		glVertex2f(-0.1, -0.85);
+		glVertex2f(0.1, -0.85);
+		glVertex2f(0.1, -0.75);
+		glVertex2f(-0.1, -0.75);
+		glVertex2f(-0.1, -0.65);
+		glVertex2f(0.1, -0.65);
+	glEnd();
+
+	glBegin(GL_LINE_STRIP); /* E */
+		glVertex2f(0.85, -0.1);
+		glVertex2f(0.85, 0.1);
+		glVertex2f(0.65, 0.1);
+		glVertex2f(0.65, -0.1);
+	glEnd();
+	glBegin(GL_LINES);
+		glVertex2f(0.75, -0.1);
+		glVertex2f(0.75, 0.1);
+	glEnd();
+
+	glLineWidth(1);
+
+	rad = atan2(-(p.y-cy),p.x-cx);
+
+	for(i = 0; i < 2; i++){
+		double n = 90 / 180.0 * M_PI;
+		if(i == 0){
+			glColor3f(1, 0, 0);
+		}else{
+			glColor3f(0.2, 0.2, 0.2);
+		}
+		glBegin(GL_TRIANGLES);
+			glVertex2f(cos(rad)*0.95, sin(rad)*0.95);
+			glVertex2f(cos(rad-n)*0.05, sin(rad-n)*0.05);
+			glVertex2f(cos(rad+n)*0.05, sin(rad+n)*0.05);
+		glEnd();
+
+		rad-= n * 2;
+	}
+	glColor3f(0.6, 0.6, 0.6);
+	glBegin(GL_TRIANGLE_FAN);
+	for(i = 0; i <= 360; i += 10){
+		rad = i / 180.0 * M_PI;
+		glVertex2f(cos(rad)*0.05*2/3, sin(rad)*0.05*2/3);
+	}
+	glEnd();
+
+	MwOpenGLSwapBuffer(opengl);
+}
+
+int main(){
+	MwLLColor col;
+	int r, g, b;
+
+	MwLibraryInit();
+
+	window = MwVaCreateWidget(MwWindowClass, "main", NULL, MwDEFAULT, MwDEFAULT, 150, 150,
+		MwNtitle, "mcompass",
+	NULL);
+
+	opengl = MwCreateWidget(MwOpenGLClass, "opengl", window, 0, 0, 150, 150);
+
+	MwOpenGLMakeCurrent(opengl);
+
+	col = MwParseColor(window, MwGetText(window, MwNbackground));
+	MwGetColor(col, &r, &g, &b);
+	MwLLFreeColor(col);
+
+	glClearColor(r / 255.0, g / 255.0, b / 255.0, 1);
+
+	resize(window, NULL, NULL);
+
+	MwAddUserHandler(window, MwNresizeHandler, resize, NULL);
+	MwAddUserHandler(window, MwNtickHandler, tick, NULL);
+
+	MwLoop(window);
+}

mcompass/mcompass.h

@@ -0,0 +1,21 @@
+#ifndef __MCOMPASS_H__
+#define __MCOMPASS_H__
+
+#define VERSION "0.0.0"
+
+#include "config.h"
+
+/* Milsko */
+#include <MDE/Foundation.h>
+#include <Mw/Milsko.h>
+
+/* External */
+
+/* Standard */
+#include <math.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+#endif